package com.heima.article.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.article.mapper.ApArticleConfigMapper;
import com.heima.article.mapper.ApArticleContentMapper;
import com.heima.article.mapper.ApArticleMapper;
import com.heima.article.service.ApArticleService;
import com.heima.article.service.ArticleFreemarkerService;
import com.heima.model.common.article.dto.ArticleDto;
import com.heima.model.common.article.pojos.ApArticle;
import com.heima.model.common.article.pojos.ApArticleConfig;
import com.heima.model.common.article.pojos.ApArticleContent;
import com.heima.model.common.constants.ArticleConstants;
import com.heima.model.common.dtos.ArticleHomeDto;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.List;

/**
 * @Author: WDD
 * @Date: 2022/07/31/16:48
 * @Description:
 */
@Service
public class ApArticleServiceImpl extends ServiceImpl<ApArticleMapper, ApArticle> implements ApArticleService {

    @Autowired
    private ArticleFreemarkerService articleFreemarkerService;

    @Autowired
    private ApArticleMapper articleMapper;
    // 单页最大加载的数字
    private final static short MAX_PAGE_SIZE = 50;

    @Autowired
    private ApArticleContentMapper apArticleContentMapper;

    @Autowired
    private ApArticleConfigMapper apArticleConfigMapper;

    /**
     * 获取全部文章
     *
     * @param loadtype
     * @param articleHomeDto
     * @return
     */
    @Override
    public List<ApArticle> load(Short loadtype, ArticleHomeDto articleHomeDto) {
        Integer size = articleHomeDto.getSize();
        if (size == null || size == 0) {
            size = 10;
        }
        size = Math.min(size, MAX_PAGE_SIZE);
        articleHomeDto.setSize(size);
        if (!loadtype.equals(ArticleConstants.LOADTYPE_LOAD_MORE)
                && !loadtype.equals(ArticleConstants.LOADTYPE_LOAD_NEW)) {
            loadtype = ArticleConstants.LOADTYPE_LOAD_MORE;
        }
        if (StringUtils.isBlank(articleHomeDto.getTag())) {
            articleHomeDto.setTag(ArticleConstants.DEFAULT_TAG);
        }
        Date minBehotTime = articleHomeDto.getMinBehotTime();
        if (minBehotTime == null) {
            articleHomeDto.setMinBehotTime(new Date());
        }
        Date maxBehotTime = articleHomeDto.getMaxBehotTime();
        if (maxBehotTime == null) {
            articleHomeDto.setMaxBehotTime(new Date());
        }
        List<ApArticle> list = articleMapper.loadArticleList(articleHomeDto, loadtype);
        return list;
    }

    /**
     * 保存文章
     *
     * @param dto
     * @return
     */
    @Override
    public ResponseResult saveArticle(ArticleDto dto) {
        //1.检查参数
        if (dto == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        ApArticle apArticle = new ApArticle();
        BeanUtils.copyProperties(dto, apArticle);
        //2.判断是否存在id
        if (dto.getId() == null) {
            //2.1 不存在id  保存  文章  文章配置  文章内容
            //保存文章
            save(apArticle);
            //保存配置
            ApArticleConfig apArticleConfig = new ApArticleConfig(apArticle.getId());
            apArticleConfigMapper.insert(apArticleConfig);
            //保存 文章内容
            ApArticleContent apArticleContent = new ApArticleContent();
            apArticleContent.setArticleId(apArticle.getId());
            apArticleContent.setContent(dto.getContent());
            apArticleContentMapper.insert(apArticleContent);

        } else {
            //2.2 存在id   修改  文章  文章内容
            //修改  文章
            updateById(apArticle);
            //修改文章内容
            ApArticleContent apArticleContent = apArticleContentMapper.selectOne(Wrappers.<ApArticleContent>lambdaQuery().eq(ApArticleContent::getArticleId, dto.getId()));
            apArticleContent.setContent(dto.getContent());
            apArticleContentMapper.updateById(apArticleContent);
        }

        //异步调用 生成静态文件上传到minio中
        articleFreemarkerService.buildArticleToMinIO(apArticle, dto.getContent());
        //3.结果返回  文章的id
        return ResponseResult.okResult(apArticle.getId());
    }
}
